Creating custom areas in map visualization

[Tavas]

Hi everyone,

I came across this post, but the solution isn't what I'm looking for.

So, I have a table with the following layout:

Name     Zip_code     Population
    A             19097              100000
    A             18731               85754
    A             05671               34325
    B             12231                  214
   ...                 ...                       ....

What I want to do is basically "combine" the zip code areas and create a new custom area grouping by the Name column. So, something like the attached image.

Due to work, kml files or GeoAnalytics is not a solution for me.
Thank you for any help you can give me!

[Steven_Haught]

@Tavas 

This is a text book case use for GeoAnalytics and the dissolve function. Why are you unable to use this? Not sure that anything else quite replicates that functionality.